Latest Update For Western & Central Mass On Tuesday’s Storm

An area of low pressure is expected to track from near the Mid-Atlantic coast tonight to along the New England coast during Tuesday. This low pressure system is then expected to track towards Nova Scotia by Tuesday night and Wednesday. It appears that the track of this low pressure system will be further inland than previously thought. Because of this, milder air will push pretty far inland into our area leading to more rain than snow for many. The exception to this will be across the Worcester Hills & especially the northern Worcester Hills where the precipitation type will be more snow than rain.

So, here is how I think this storm might play out, based on the current data – Snow is expected to overspread Western Mass between about 7 and 9 am Tuesday morning and then overspread Central Mass between about 9 am and 11 am Tuesday morning.

Milder air is expected to push pretty far inland causing the snow to quickly change to rain in the Pioneer Valley of Western Mass and across areas around I-395 and Route 146 in far southern and southeastern Worcester County. The rain-snow line will then make it to areas just north of the Mass Pike and I-290 by early afternoon.

Areas from about Route 9 and points south (including the Worcester Metro, I-290 & all of the Mass Pike) and the entire Pioneer Valley of Western Mass will see rain from mid-afternoon through the late afternoon and evening hours.

Areas north of Route 9, including much of the Worcester Hills & especially the northern Worcester Hills and the Berkshires is probably going to stay mostly all snow throughout Tuesday afternoon and Tuesday evening. Because of this, 6 to 8 inches of wet snow looks likely in these areas.

All precipitation with this storm system will come to an end by midnight Tuesday night.

My latest forecast total snowfall map for this storm is attached to this post.

I do want to emphasize that there is going to be a very sharp cutoff between very little or not a whole lot of snow and a moderately sized snowfall with this storm. Trying to figure out where this cutoff line will set up across the region will be crucial. Temperatures, banding of snow and the exact track of the storm are all going to be very important with figuring out how far the snow-rain line sets up and where any bands of heavier snow sets up. All of this may not be completely figured out until just before “game time”.

Temperatures during the day on Tuesday will be in the low to mid 30s. Temperatures on Tuesday night will fall back to around 25 Degrees by late at night.

Winds on Tuesday will be Easterly at 6 to 12 mph. Winds on Tuesday night will be North to Northwest at 15 to 25 mph.

Arctic Air Invades The Area By Late This Week: An Arctic cold front is expected to push across the region during Thursday afternoon. It’s possible that this front will bring with it some scattered snow showers and maybe a snow squall to the area during the afternoon on Thursday.

Once this front moves through, it’ll usher in some quite cold temperatures and even colder wind chill temperatures for Thursday night and Friday. Low temperatures Thursday night will be near 5 Degrees with wind chill temperatures of around 10 below zero. High temperatures Friday will be between 20 and 25 Degrees with wind chill temperatures of Zero to 10 above zero.